Mats
Member Since: 11 Jan 2011
Location: Malmoe
Posts: 17
  
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In off-road mode, when the rear E-diff is operating, it becomes a PERMANENTLY locked diff  Once in - stays in 
When selecting normal road condition on the terrain response knob and drive straight for some 50 meters or so, the E-diff will disconnect with a significantly CLUNK 
Also, the operation of rear E-diff will no longer indicate on the 4x4 display, when operating!?! 
(The operation of the center diff still indicate correctly on the display, on-red/off-white).
Whats going on - any suggestions, please  
Cheers,
Mats
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 6th Nov 2011 11:07 am |
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Mats
Member Since: 11 Jan 2011
Location: Malmoe
Posts: 17
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Hello
Am I really the only one with this problem...
Mats
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| 7th Nov 2011 10:17 pm |
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J@mes
Member Since: 10 Nov 2008
Location: Bomber County
Posts: 4547
  
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You may be as not very many cars had the rear e-diff! 2014 D4 XS
2005 D3 SE - Gone
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| 7th Nov 2011 10:20 pm |
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packingstrips
Member Since: 24 Mar 2010
Location: uk
Posts: 435
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Probably got an open rear diff
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| 7th Nov 2011 10:32 pm |
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sarumlight
Member Since: 07 Nov 2008
Location: Off the Plain
Posts: 1590
 
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Need to get the fault codes read - if the display is not showing the diff locking when it should be then hopefully there is something logged that will give a clue.
I've got the e-diff and it shouldn't "clunk" but whether it's a mechanical fault inside the diff or a wiring fault or problem with the actuator I have no idea.
Worth getting underneath and checking for signs of oil leaks too.
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| 8th Nov 2011 12:43 am |
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caverD3
Member Since: 03 Jul 2006
Location: Oberon, NSW
Posts: 6922
 
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Sounds like an engage/disengage problem. Could electrical, electronic or a mechanical cause. Start with easiest first; as sarumlight said read the fault codes to see if it a comms error first. If not check the wiring, if not you will have to get the diff looked at. “There are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely gamesâ€
Ernest Hemmingway
D4 3.0 Active Diff, Adaptive Lights, High Beam Assist, Surround Cameras, Privacy Glass.
D3 2.7:Adaptive Headlights,Electronic Rear Diff,ARB Bar,Blaupunkt Speakers,JVC Powered Subwoofer,Removable Snorkel,Mitch Hitch,Pioneer After Market Head Unit,Steering Wheel Control Adaptor,Remote Adjustable Supension Rod System, Taxside Dual Battery System.
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| 8th Nov 2011 2:59 am |
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Mats
Member Since: 11 Jan 2011
Location: Malmoe
Posts: 17
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Thanks for your input, guys.
Will have to get the fault codes read and start from there. I also think it is related to the electrical motor not being able to disconnect the lock-up "fork"/function. Normally it is only locked up for seconds at a time when needed but now, it is like an ARB diff, 100% locked up - permanently.
Thanks,
Mats
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| 8th Nov 2011 11:09 am |
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sarumlight
Member Since: 07 Nov 2008
Location: Off the Plain
Posts: 1590
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I might be wrong but I didn't think it was ever meant to completely lock up - it's more of a variable limited slip diff with a multi-plate clutch in oil.
Something that might be worth checking: The first time Steve Norman serviced by D3 he found the e-diff wires were very close to the drive-shaft and he fixed them out of the way so they wouldn't rub through. That might be something to check for.
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| 8th Nov 2011 11:12 am |
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